.flex {
    display: flex;
}
.basis-xs {
    flex-basis: 20%;
}
.basis-sm {
    flex-basis: 40%;
}
.basis-df {
    flex-basis: 50%;
}
.basis-lg {
    flex-basis: 60%;
}
.basis-xl {
    flex-basis: 80%;
}
.flex-1 {
    flex: 1;
}
.flex-2 {
    flex: 2;
}
.flex-3 {
    flex: 3;
}
.flex-direction {
    flex-direction: column;
}
.flex-wrap {
    flex-wrap: wrap;
}
.align-start {
    align-items: flex-start;
}
.align-end {
    align-items: flex-end;
}
.align-center {
    align-items: center;
}
.align-stretch {
    align-items: stretch;
}
.self-start {
    align-self: flex-start;
}
//.self-center {
//    align-self: flex-center;
//}
.self-end {
    align-self: flex-end;
}
.self-stretch {
    align-self: stretch;
}
//.align-stretch {
//    align-items: stretch;
//}
.justify-start {
    justify-content: flex-start;
}
.justify-end {
    justify-content: flex-end;
}
.justify-center {
    justify-content: center;
}
.justify-between {
    justify-content: space-between;
}
.justify-around {
    justify-content: space-around;
}
